Powerful gales reaching speeds of approximately 155km/h (96mph) have resulted in nearly 90,000 homes lacking electricity and compelled authorities to cancel more than 100 air travel services, based on local media.
These gusts are impacting the complete South Island and lower areas of the northern region, according to the country's meteorological service.
Officials in New Zealand have released rare severe gust advisories - the most severe warning - in core zones encompassing these major districts.
Locals have been encouraged to remain inside, stay off roads, and get ready for additional electricity and network failures.
Widespread Destruction and Emergency Measures
The electricity loss seems to be impacting households predominantly in the South Island, though agencies say that power was being gradually reinstated.
Regional news have reported that in various locations roofs have been ripped off houses, while power lines and trees have been knocked down by the gusts.
Across Wellington, a person was killed after being impacted by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a female was blown onto oncoming traffic on a road by a intensive burst, in a incident that was filmed in a viral dashcam video.
Flights in and out of the metropolis have been cancelled due to the gusts, and certain highways and community centers are not operating.
Meanwhile local leaders have issued a crisis declaration, to support emergency management operations.
Strike Action During Extreme Weather
The wild winds on Thursday coincide with numerous of educators, medical professionals and government employees are engaged in what has been termed a "major walkout", demanding improved salaries and workplace environments.
However the intense climate has forced them to change certain arrangements, with several external protests moved indoors or abandoned.
Similar gusts are also sweeping the neighboring country, causing a period of extreme heat to the country's outback.
Agencies have declared flame prohibitions for concern about forest fires.
